package com.xhd.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.xhd.reggie.common.R;
import com.xhd.reggie.entity.Employee;
import com.xhd.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;
    /*员工登录*/
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){

        //1.将页面提交的密码password进行MD5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        //2.根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        if(emp == null){
            return R.error("登陆失败");
        }

        if (!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }

        if (emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);

    }

    @PostMapping("/logout")
    public R<String> lohout(HttpServletRequest request){
//        清除Session中保存的当前登陆员工的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());
        //是指初始密码,md5加密
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        //获得当前登录用户id

        Long empId = (Long)request.getSession().getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);

        return R.success("新增员工成功");
    }
    @GetMapping("/page")
    public R<Page> page(Integer page ,Integer pageSize,String name){
        log.info("page= {}, pageSize={},name={}",page,pageSize,name);

        //构造分页构造器
        Page<Employee> pageInfo = new Page<>(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);

        //排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);

    }
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        Long empId =(Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
//        long id = Thread.currentThread().getId();
//        log.info("用户id为{}",id);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("查询员工");
        Employee employee = employeeService.getById(id);
        if (employee!=null){
            return R.success(employee);
        }
        return R.error("没有查询到员工");
    }

}
